How do you reset check engine light on Jeep Liberty diesel?

 To reset the check engine light on a Jeep Liberty Diesel, you can follow these steps:

  1. Ensure that the underlying issue causing the check engine light to illuminate has been resolved. It's important to address any potential problems before resetting the light.

  2. Locate the OBD-II (On-Board Diagnostic) port in your Jeep Liberty. It is typically found under the dashboard on the driver's side. The port looks like a trapezoidal-shaped connector.


  3. Plug an OBD-II scanner or code reader into the port. These devices can be purchased or borrowed from an auto parts store, or you can visit a mechanic who can perform the reset for you.

  4. Turn on the ignition key without starting the engine. This will power up the vehicle's electronics.


  5. Use the OBD-II scanner to establish a connection with the vehicle's onboard computer. Follow the instructions provided with the scanner to navigate through the menu options until you find the option to "Clear Codes" or "Reset Check Engine Light." The exact phrasing may vary depending on the scanner you are using.

  6. Select the "Clear Codes" or "Reset Check Engine Light" option. Confirm your selection and the scanner will send a command to the vehicle's computer to clear the stored trouble codes and reset the check engine light.


  7. Wait for the scanner to complete the process. It may take a few seconds or a minute to reset the light and clear the codes. Once done, the check engine light should turn off.

  8. Disconnect the OBD-II scanner from the port.

Note: It's important to remember that resetting the check engine light does not fix the underlying problem that triggered the light in the first place. If the issue persists, the light is likely to come back on. If the light reappears after resetting, it is recommended to have the vehicle inspected by a qualified mechanic to diagnose and address the problem.

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